UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QhpJFNOBLtP5/XgSAdRsXkpbQYjax1AKNpB7mlwVjN8=' 
WHERE 
  key_id = '54e80828dc3ca293bca48073bfc1f768d3df6acd91ad0192c04c9c80c38a3c82' 
  AND (
    token = 'QhpJFNOBLtP5/XgSAdRsXkpbQYjax1AKNpB7mlwVjN8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00026